Chemistry GCSE: Separation Techniques
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Last updated 9:09 AM on 9/11/22
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9 Terms
1
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Simple distillation
________ is used for separating out a liquid from a solution.
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salt
The ________ passes through the filter paper as it's part of the solution.
3
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dry crystals
Evaporate the water from the salt so that it form ________.
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water evaporates
The ________ and is condensed and collected.
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(use a pencil to do this
pencil marks are insoluble and won't dissolve in the solvent)
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Make sure the ink isn't touching the solvent
you don't want it to dissolve into it
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Each dye will form a spot in a different place
1 spot per dye in the ink
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The problem with simple distillation is that you can only use it to separate things with very different boiling points
if the temperature goes higher than the boiling point, they will mix again
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The different liquids will all have different boiling points
so they will evaporate at different temperatures
Flashcards (44)